Smoking pipe



FIG. 1 is a perspective view of a smoking pipe showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a longitudinal sectional view thereof. 

The ornamental design for a smoking pipe, as shown. 